濕式電除塵器是一種用來處理含微量粉塵和微顆粒的新除塵設備，主要用來除去含濕氣體中的塵、酸霧、水滴、氣溶膠、臭味、PM2.5等有害物質，是治理大氣粉塵污染的理想設備。

濕式電除塵器通常簡稱WESP，與干式電除塵器的除塵基本原理相同，要經歷荷電、收集和清灰三個階段。

濕式(shi)電(dian)除塵器主要有兩種結構形式(shi)，一(yi)種是使(shi)用耐腐蝕導電(dian)材(cai)料（可以為導電(dian)性(xing)能優良的(de)的(de)非(fei)金屬(shu)材(cai)料或具(ju)有耐腐蝕特(te)性(xing)的(de)金屬(shu)材(cai)料）做集塵極，另一(yi)種是用通過噴水或溢流水形成導電(dian)水膜，利用不導電(dian)的(de)非(fei)金屬(shu)材(cai)料做集塵極。

收塵原理

濕式(shi)電(dian)(dian)(dian)除塵(chen)(chen)(chen)(chen)器(qi)(qi)(qi)和與干(gan)式(shi)電(dian)(dian)(dian)除塵(chen)(chen)(chen)(chen)器(qi)(qi)(qi)的(de)收塵(chen)(chen)(chen)(chen)原理相同，都是(shi)靠高壓電(dian)(dian)(dian)暈放電(dian)(dian)(dian)使得粉塵(chen)(chen)(chen)(chen)荷電(dian)(dian)(dian)，荷電(dian)(dian)(dian)后(hou)的(de)粉塵(chen)(chen)(chen)(chen)在電(dian)(dian)(dian)場力(li)的(de)作用(yong)下到(dao)達集塵(chen)(chen)(chen)(chen)板/管(guan)。干(gan)式(shi)電(dian)(dian)(dian)收塵(chen)(chen)(chen)(chen)器(qi)(qi)(qi)主要處理含水(shui)很(hen)低的(de)干(gan)氣(qi)(qi)體，濕式(shi)電(dian)(dian)(dian)除塵(chen)(chen)(chen)(chen)器(qi)(qi)(qi)主要處理含水(shui)較高乃至飽和的(de)濕氣(qi)(qi)體。在對集塵(chen)(chen)(chen)(chen)板/管(guan)上捕(bu)集到(dao)的(de)粉塵(chen)(chen)(chen)(chen)清除方(fang)式(shi)上WESP與DESP有較大區別(bie)，干(gan)式(shi)電(dian)(dian)(dian)除塵(chen)(chen)(chen)(chen)器(qi)(qi)(qi)一般采用(yong)機械振打或聲波清灰等(deng)方(fang)式(shi)清除電(dian)(dian)(dian)極上的(de)積灰，而濕式(shi)電(dian)(dian)(dian)除塵(chen)(chen)(chen)(chen)器(qi)(qi)(qi)則采用(yong)定(ding)期沖洗(xi)的(de)方(fang)式(shi)，使粉塵(chen)(chen)(chen)(chen)隨著沖刷(shua)液的(de)流動而清除。